hello
i am using the last ApplePS2SmartTouchPad.kext and patched my DSDT with this guide
https://osxlatitude.com/index.php?/topic/7890-how-to-fix-your-acpi-brightness-keys-using-smart-touchpad-driver/?p=57099
for me the key are Q1C and Q1D
but now if i push only tne FN key , it increase the backlight
and the sleep combinaison not always work (FN F4)
if you can help me
my laptop is a ACER 7741zg OS X 10.10.5, clover r3330
here are all needed files
http://www.mediafire.com/download/2vbpa59g4vaatsg/7741zg.zip
thank you for the work